The form of PEG matters: PEG conjugated with lipids and not PEG
alone could be the specific form involved in allergic reactions to
COVID-19 vaccines
Beatriz Cabanillas1*, Natalija
Novak2, Cezmi A. Akdis3,4
1. Department of Allergy, Research Institute Hospital 12 de Octubre,
Avenida de Córdoba s/n, 28041 Madrid, Spain
2. Department of Dermatology and Allergy, University Hospital, Bonn,
Venusberg Campus 1, 53127, Bonn, Germany
3. Swiss Institute of Allergy and Asthma Research (SIAF), University of
Zurich, Davos, Switzerland.
4. Christine Kühne-Center for Allergy Research and Education, Davos,
Switzerland
*Corresponding author: Dr. Beatriz Cabanillas. Department of Allergy,
Research Institute Hospital 12 de Octubre de Madrid, Avenida de Córdoba
s/n, 28041 Madrid, Spain. Phone: (+34) 913908763. E-mail:bcabanillas.imas12@h12o.es
Keywords: COVID-19; PEG; Polyethylene glycol; RNA Vaccine;
SARS-CoV-2